© National Instruments Corporation 21 NI USB-9234 User Guide and SpecificationsSafety StandardsThis product is designed to meet the requirements of the followingstandards of safety for electrical equipment for measurement, control,and laboratory use:• IEC 61010-1, EN-61010-1• UL 61010-1, CSA 61010-1Note For UL and other safety certifications, refer to the product label or visit ni.com/certification, search by model number or product line, and click the appropriate linkin the Certification column.Hazardous LocationsThe NI USB-9234 is not certified for use in hazardous locations.EnvironmentalThe NI USB-9234 device is intended for indoor use only.Operating temperature............................ 0 to 60 °CStorage temperature ............................... –40 to 85 °CIngress protection ................................... IP 40Operating humidity(IEC 60068-2-56)................................... 10 to 90% RH, noncondensingStorage humidity(IEC 6008-2-56)..................................... 5 to 95% RH, noncondensingMaximum altitude .................................. 2,000 mPollution Degree (IEC 60664) ............... 2Electromagnetic CompatibilityThis product is designed to meet the requirements of the followingstandards of EMC for electrical equipment for measurement, control,and laboratory use:• EN 61326 EMC requirements; Minimum Immunity• EN 55011 Emissions; Group 1, Class A• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class ANote For EMC compliance, operate this device with shielded cabling.